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Add some tests for execve()

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Justine Tunney 2022-10-02 14:58:14 -07:00
parent 2526a9b8c7
commit daca5499b9
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6 changed files with 81 additions and 14 deletions
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test/libc/calls/execve_test.c Normal file
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/fmt/conv.h"
#include "libc/fmt/itoa.h"
#include "libc/runtime/runtime.h"
#include "libc/str/str.h"
#include "libc/testlib/subprocess.h"
#include "libc/testlib/testlib.h"
#define N 127
char *GenBuf(char buf[8], int x) {
int i;
bzero(buf, 8);
for (i = 0; i < 7; ++i) {
buf[i] = x & 127; // nt doesn't respect invalid unicode?
x >>= 1;
}
return buf;
}
__attribute__((__constructor__)) static void init(void) {
char buf[8];
if (__argc == 4 && !strcmp(__argv[1], "-")) {
ASSERT_STREQ(GenBuf(buf, atoi(__argv[2])), __argv[3]);
exit(0);
}
}
TEST(execve, testArgPassing) {
int i;
char ibuf[12], buf[8];
for (i = 0; i < N; ++i) {
FormatInt32(ibuf, i);
GenBuf(buf, i);
SPAWN(vfork);
execve(GetProgramExecutableName(),
(char *const[]){GetProgramExecutableName(), "-", ibuf, buf, 0},
(char *const[]){0});
notpossible;
EXITS(0);
}
}